Topic
Fissiphalliidae
About: Fissiphalliidae is a research topic. Over the lifetime, 5 publications have been published within this topic receiving 86 citations.
Papers
TL;DR: It is shown that male genitalic characters in Opiliones display clear functional and constructional traits on the family level, and will demonstrate that several families in gonyleptoid Laniatores are polyphyletic and should be divided into several taxa of the familylevel.
Abstract: Fissiphalliidae, a new family of the Opiliones suborder Laniatores, is described in the superfamily Gonyleptoidea, based on a new genus (Fissiphallius n. gen.) und 3 new species (F. sturmi n. sp., F. spinulatus n. sp., F. sympatricus n. sp.) from Colombia. Most emphasized are the male genitalic characters, unique in Opiliones: A honzontally split truncus which results in a long movable (glans) and an immovable finger (distal part of the truncus). Both hide the extremely long stylus with the seminal opening at its end. In an expanded state, the movable finger is bent dorsally by an erectile vesicle. It is shown that male genitalic characters in Opiliones display clear functional and constructional traits on the family level. Those characters, if used appropriately, will demonstrate that several families in gonyleptoid Laniatores are polyphyletic and should be divided into several taxa of the family level.
28 citations
TL;DR: A new species of blind Laniatores from Brazil, Guasinia persephone, is described from the soil of an inundation forest in Brazilian Amazonia, where this family was hitherto only known from two species from Venezuela.
Abstract: Guasinia persephone, a new species of the family Guasiniidae, is described from the soil of an inundation forest in Brazilian Amazonia. This family was hitherto only known from two species from Venezuela. Male genitalia of the new species are described in detail. A close relationship of Guas- iniidae with Zalmoxidae and Fissiphalliidae is proposed on basis of genital morphology. This is the third species of blind Laniatores from Brazil and the first from leaf mold, one is from termite nests and the other is from a cave.
25 citations
TL;DR: The results demonstrate the predictive power and utility of appendicular characters in Opiliones phylogeny, and proffer a promising source of diagnostic synapomorphies for delimiting superfamilies.
23 citations
1 Jan 2002
TL;DR: The new family Icaleptidae is described, characterized by genitalic features and by the ventral insertion of legs IV, which gives the animal a flea-like habitus.
Abstract: The new family Icaleptidae is described, based on the new genera Icaleptes and Zalmopsylla. Each of the new genera is based on a single species, Icaleptes malkini n. sp., from northern Colombia and Zalmopsylla platnicki n. sp. from Ecuador. This is the first record of the order Opiliones for the Cesar Department in Colombia. The new family is characterized by genitalic features and by the ventral insertion of legs IV, which gives the animal a flea-like habitus. The closest related families are Zalmoxidae and Fissiphalliidae. Genital structures of Zalmoxidae and related families are discussed.
22 citations
TL;DR: A future phylogenetic analysis should determine if Fissiphalliidae is in fact the sister group of Zalmoxidae, or just a junior synonym, but this character should be tested in a phylogenetic framework.
Abstract: Two new species of Brazilian Fissiphalliidae are described. Fissiphallius chicoi n. sp. from Para State, Gurupa municipality, whitewater floodplains (varzea), and Fissiphallius tucupi n. sp. from Amazonas State, Castanho municipality (paleovarzea). The number of species for this family in the Amazon rainforest increases from one to three. The two new species are closely related to Fissiphallius martensi Pinto-da-Rocha, 2004 from Amazonas State, Manaus. Fissiphalliidae and Zalmoxidae show remarkable similarities in somatic and genital morphology. Fissiphalliidae is kept as a family on the basis of its particular shape of the stragulum, but this character should be tested in a phylogenetic framework. A future phylogenetic analysis should determine if Fissiphalliidae is in fact the sister group of Zalmoxidae, or just a junior synonym. A key for identification, a distribution map, and notes on the distribution of the six species of Fissiphalliidae and the biology of the Amazonian species are given.
12 citations
Related Topics (5)
Performance Metrics
| Year | Papers |
|---|---|
| 2014 | 1 |
| 2009 | 1 |
| 2006 | 1 |
| 2003 | 1 |
| 2002 | 1 |